Atomic Heart — Patch 1.16.3

Released: 4/23/2026, 2:03:54 PM

Source: https://store.steampowered.com/news/app/668580/view/494974956983026270

Summary (AI)

Patch 1.16.3 for Atomic Heart addresses an audio issue by restoring missing music in the area with the polymorph pianist. Brightness settings in Photo Mode have been adjusted to prevent overly bright visuals in certain locations. Additionally, the behavior of the RACCOON miniboss has been improved for better gameplay. The developers remind players that the game is not supported on modified clients and recommend verifying game file integrity on Steam if issues arise.

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Fixed missing music in the area with the polymorph pianist
Fixed an issue where brightness was too high in some areas in Photo Mode